From 86e7411b128bd7db440eceff7265533844e577bb Mon Sep 17 00:00:00 2001 From: "LaMont, William(wl2432)" Date: Tue, 14 Apr 2020 14:00:00 -0400 Subject: schema-service processing for v19 Issue-ID: AAI-2864 Change-Id: I41a430ec9c9fd69be75bd9d01693249895e0928b Signed-off-by: LaMont, William(wl2432) --- .../org/onap/aai/queries/CustomQueryConfig.java | 53 ++++++++ .../org/onap/aai/queries/GetCustomQueryConfig.java | 149 +++++++++++++++++++++ .../onap/aai/queries/GremlinServerSingleton.java | 117 ++++++++++++++++ 3 files changed, 319 insertions(+) create mode 100644 aai-queries/src/main/java/org/onap/aai/queries/CustomQueryConfig.java create mode 100644 aai-queries/src/main/java/org/onap/aai/queries/GetCustomQueryConfig.java create mode 100644 aai-queries/src/main/java/org/onap/aai/queries/GremlinServerSingleton.java (limited to 'aai-queries/src/main/java') diff --git a/aai-queries/src/main/java/org/onap/aai/queries/CustomQueryConfig.java b/aai-queries/src/main/java/org/onap/aai/queries/CustomQueryConfig.java new file mode 100644 index 0000000..5a58923 --- /dev/null +++ b/aai-queries/src/main/java/org/onap/aai/queries/CustomQueryConfig.java @@ -0,0 +1,53 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aai + * ================================================================================ + * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ +package org.onap.aai.queries; + +import java.util.List; + +public class CustomQueryConfig { + public CustomQueryConfig() { + // used by GetCustomQueryConfig + } + + + private String query; + private List queryOptionalProperties; + private List queryRequiredProperties; + + public void setQuery(String query) { + this.query = query; + } + public String getQuery() { + return this.query; + } + + public void setQueryOptionalProperties( List queryOptionalProperties) { + this.queryOptionalProperties = queryOptionalProperties; + } + public List getQueryOptionalProperties( ) { + return queryOptionalProperties; + } + public void setQueryRequiredProperties( List queryRequiredProperties) { + this.queryRequiredProperties = queryRequiredProperties; + } + public List getQueryRequiredProperties( ) { + return queryRequiredProperties; + } +} diff --git a/aai-queries/src/main/java/org/onap/aai/queries/GetCustomQueryConfig.java b/aai-queries/src/main/java/org/onap/aai/queries/GetCustomQueryConfig.java new file mode 100644 index 0000000..ed4ff99 --- /dev/null +++ b/aai-queries/src/main/java/org/onap/aai/queries/GetCustomQueryConfig.java @@ -0,0 +1,149 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aai + * ================================================================================ + * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ +package org.onap.aai.queries; + +import com.google.gson.*; +import com.google.gson.reflect.TypeToken; + +import java.lang.reflect.Type; +import java.util.ArrayList; +import java.util.List; + +public class GetCustomQueryConfig { + + private JsonArray storedQueries = null; + private CustomQueryConfig customQueryConfig; + + + private final static String QUERY_CONFIG = "query"; + private final static String REQUIRED_CONFIG = "required-properties"; + private final static String OPTIONAL_CONFIG = "optional-properties"; + private final static String STORED_QUERIES_CONFIG = "stored-queries"; + private final static String STORED_QUERY_CONFIG = "stored-query"; + +// public static final String AAI_HOME_ETC_QUERY_JSON = AAIConstants.AAI_HOME_ETC + "query" + AAIConstants.AAI_FILESEP + "stored-queries.json"; + + public GetCustomQueryConfig(String customQueryJson ) { + init(customQueryJson); + } + + private void init( String customQueryJson) { + JsonParser parser = new JsonParser(); + JsonObject queriesObject = parser.parse(customQueryJson).getAsJsonObject(); + if (queriesObject.has(STORED_QUERIES_CONFIG)) { + + storedQueries = queriesObject.getAsJsonArray(STORED_QUERIES_CONFIG); + } + } + + private List toStringList(JsonArray array) { + Gson converter = new Gson(); + Type listType = new TypeToken>() {}.getType(); + return converter.fromJson(array, listType); + } + + private List getPropertyList(JsonObject configObject, String config ) { + JsonElement subqueryConfig; + JsonArray props; + + if ( configObject.has(config)) { + subqueryConfig = configObject.get(config); + if ( subqueryConfig != null && !subqueryConfig.isJsonNull() ) { + props = subqueryConfig.getAsJsonArray(); + if ( props != null ) { + return toStringList(props); + } + } + } + return toStringList(null); + } + + private String getPropertyString(JsonObject configObject, String config) { + JsonElement subqueryConfig; + + if ( configObject.has(config)) { + subqueryConfig = configObject.get(config); + if ( subqueryConfig != null && !subqueryConfig.isJsonNull() ) { + return subqueryConfig.getAsString(); + } + } + return null; + } + + private void getStoredQueryBlock( JsonObject configObject, String config ) { + if ( !configObject.has(config)) { + customQueryConfig.setQueryRequiredProperties( new ArrayList() ); + customQueryConfig.setQueryOptionalProperties( new ArrayList() ); + return; + } + + JsonElement queryConfig; + JsonObject subObject; + String multipleStartNodes; + List propertyList; + + queryConfig = configObject.get(config); + subObject = queryConfig.getAsJsonObject(); + propertyList = getPropertyList(subObject, REQUIRED_CONFIG); + if ( propertyList == null ) { + propertyList = new ArrayList(); + } + customQueryConfig.setQueryRequiredProperties( propertyList ); + propertyList = getPropertyList(subObject, OPTIONAL_CONFIG); + if ( propertyList == null ) { + propertyList = new ArrayList(); + } + customQueryConfig.setQueryOptionalProperties( propertyList ); + + } + + + public CustomQueryConfig getStoredQuery(String queryName ) { + + customQueryConfig = null; + JsonObject configObject; + JsonElement query; + JsonElement queryConfig; + String queryString; + + for (JsonElement storedQuery : storedQueries) { + if (storedQuery.isJsonObject()) { + JsonObject queryObject = storedQuery.getAsJsonObject(); + query = queryObject.get(queryName); + if ( query != null ) { + customQueryConfig = new CustomQueryConfig(); + configObject = query.getAsJsonObject(); + getStoredQueryBlock(configObject, QUERY_CONFIG); + if ( configObject.has(STORED_QUERY_CONFIG)) { + queryConfig = configObject.get(STORED_QUERY_CONFIG); + customQueryConfig.setQuery(queryConfig.getAsString()); + } + break; + } + } + } + + return customQueryConfig; + + } + + + +} diff --git a/aai-queries/src/main/java/org/onap/aai/queries/GremlinServerSingleton.java b/aai-queries/src/main/java/org/onap/aai/queries/GremlinServerSingleton.java new file mode 100644 index 0000000..3b4a406 --- /dev/null +++ b/aai-queries/src/main/java/org/onap/aai/queries/GremlinServerSingleton.java @@ -0,0 +1,117 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aai + * ================================================================================ + * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ +package org.onap.aai.queries; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import org.onap.aai.aaf.auth.FileWatcher; +import org.onap.aai.logging.LogFormatTools; +import org.onap.aai.util.AAIConstants; + +import org.springframework.beans.factory.annotation.Value; +import javax.annotation.PostConstruct; + +import java.io.File; +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.util.Date; +import java.util.Timer; +import java.util.TimerTask; + +public class GremlinServerSingleton { + + private static Logger logger = LoggerFactory.getLogger(GremlinServerSingleton.class); + + private boolean timerSet; + private Timer timer; + + private GetCustomQueryConfig queryConfig; + + @Value("${schema.queries.location}") + private String storedQueriesLocation; + + /** + * Initializes the gremlin server singleton + * Loads the configuration of the gremlin server and creates a cluster + * Loads the gremlin query file into the properties object + * Then creates a file watcher to watch the file every ten seconds + * and if there is a change in the file, then reloads the file into + * the properties object + * + */ + @PostConstruct + public void init() { + + try { + String filepath = storedQueriesLocation + AAIConstants.AAI_FILESEP + "stored-queries.json"; + Path path = Paths.get(filepath); + String customQueryConfigJson = new String(Files.readAllBytes(path)); + + + queryConfig = new GetCustomQueryConfig(customQueryConfigJson); + } catch (IOException e) { + logger.error("Error occurred during the processing of query json file: " + LogFormatTools.getStackTop(e)); + } + + + TimerTask task = new FileWatcher(new File(storedQueriesLocation)) { + @Override + protected void onChange(File file) { + try { + String filepath = storedQueriesLocation; + Path path = Paths.get(filepath); + String customQueryConfigJson = new String(Files.readAllBytes(path)); + queryConfig = new GetCustomQueryConfig(customQueryConfigJson); + } catch (IOException e) { + logger.error("Error occurred during the processing of query json file: " + LogFormatTools.getStackTop(e)); + } + } + }; + + if (!timerSet) { + timerSet = true; + timer = new Timer(); + timer.schedule( task , new Date(), 10000 ); + } + + } + + /** + * Gets the query using CustomQueryConfig + * @param key + * @return + */ + public String getStoredQueryFromConfig(String key){ + CustomQueryConfig customQueryConfig = queryConfig.getStoredQuery(key); + if ( customQueryConfig == null ) { + return null; + } + return customQueryConfig.getQuery(); + } + + public CustomQueryConfig getCustomQueryConfig(String key) { + return queryConfig.getStoredQuery(key); + } + + +} -- cgit 1.2.3-korg